(0 20 19)(1 21 18 16 4)(2 17 15 12 10)(3 9 7)(5 13 6)(8 14 11)
ALLOWS (11/8)-SEQUENCE
1: (0 2 12)

(0 10 2 20 19)(1 21 18 16 4)(3 9 7)(5 13 6)(8 14 11)(12 17 15)
2: (1 21 4)

(0 10 2 20 19)(1)(3 9 7)(4 18 16)(5 13 6)(8 14 11)(12 17 15)(21)
3: (2 20 10)

(0 10 19)(1)(2)(3 9 7)(4 18 16)(5 13 6)(8 14 11)(12 17 15)(20)(21)
4: (8 14 11)

(0 10 19)(1)(2)(3 9 7)(4 18 16)(5 13 6)(8)(11)(12 17 15)(14)(20)(21)